package com.song.EMS.filter;

import com.song.EMS.utils.GetAdminPhone;

import javax.servlet.*;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/** 设置请求编码与响应编码
 * @author song
 */
@WebFilter({"/admin/index.jsp","/admin/register.jsp","/admin/views/*"})
public class ExpressFilter implements Filter {
    @Override
    public void init(FilterConfig filterConfig) throws ServletException {

    }

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        HttpServletRequest request = (HttpServletRequest)servletRequest;
        HttpServletResponse response = (HttpServletResponse)servletResponse;

        String administratorName = GetAdminPhone.getName(request, "administratorName");
        if (administratorName != null){

            filterChain.doFilter(servletRequest,servletResponse);
        }else{
            response.sendRedirect("/admin/login.jsp");
        }

    }

    @Override
    public void destroy() {

    }
}
